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Frequency control of a single-frequency fiber laser by cooperatively induced spatial-hole burning

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2 Author(s)
Kishi, N. ; Dept. of Electron. Eng., Univ. of Electro-Commun., Tokyo, Japan ; Yazaki, T.

A simple frequency control method of a single-frequency fiber laser is proposed and demonstrated. The mechanism of the frequency control arises from cooperatively induced spatial-hole burning (SHB) in a saturable absorber in the laser cavity. The SHB is formed by an external frequency-stabilized light source and the lasing light. Consequently, the lasing frequency can be tuned to the external light frequency. Moreover, narrow-linewidth operation is possible even when an external-source with a broad-linewidth is employed.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 2 )